1/* Area:	ffi_call, closure_call
2   Purpose:	Check structure passing with different structure size.
3   Limitations:	none.
4   PR:		none.
5   Originator:	<andreast@gcc.gnu.org> 20030828	 */
6
7/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */
8#include "ffitest.h"
9
10typedef struct my_ffi_struct {
11  double a;
12  double b;
13  double c;
14} my_ffi_struct;
15
16my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2)
17{
18  struct my_ffi_struct result;
19  result.a = a1.a + a2.a;
20  result.b = a1.b + a2.b;
21  result.c = a1.c + a2.c;
22
23
24  printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c,
25	 a2.a, a2.b, a2.c, result.a, result.b, result.c);
26
27  return result;
28}
29
30void stub(ffi_cif* cif, void* resp, void** args, void* userdata)
31{
32  struct my_ffi_struct a1;
33  struct my_ffi_struct a2;
34
35  a1 = *(struct my_ffi_struct*)(args[0]);
36  a2 = *(struct my_ffi_struct*)(args[1]);
37
38  *(my_ffi_struct *)resp = callee(a1, a2);
39}
40
41
42int main(void)
43{
44  ffi_type* my_ffi_struct_fields[4];
45  ffi_type my_ffi_struct_type;
46  ffi_cif cif;
47#ifndef USING_MMAP
48  static ffi_closure cl;
49#endif
50  ffi_closure *pcl;
51  void* args[4];
52  ffi_type* arg_types[3];
53
54#ifdef USING_MMAP
55  pcl = allocate_mmap (sizeof(ffi_closure));
56#else
57  pcl = &cl;
58#endif
59
60  struct my_ffi_struct g = { 1.0, 2.0, 3.0 };
61  struct my_ffi_struct f = { 1.0, 2.0, 3.0 };
62  struct my_ffi_struct res;
63
64  my_ffi_struct_type.size = 0;
65  my_ffi_struct_type.alignment = 0;
66  my_ffi_struct_type.type = FFI_TYPE_STRUCT;
67  my_ffi_struct_type.elements = my_ffi_struct_fields;
68
69  my_ffi_struct_fields[0] = &ffi_type_double;
70  my_ffi_struct_fields[1] = &ffi_type_double;
71  my_ffi_struct_fields[2] = &ffi_type_double;
72  my_ffi_struct_fields[3] = NULL;
73
74  arg_types[0] = &my_ffi_struct_type;
75  arg_types[1] = &my_ffi_struct_type;
76  arg_types[2] = NULL;
77
78  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type,
79		     arg_types) == FFI_OK);
80
81  args[0] = &g;
82  args[1] = &f;
83  args[2] = NULL;
84  ffi_call(&cif, FFI_FN(callee), &res, args);
85  /* { dg-output "1 2 3 1 2 3: 2 4 6" } */
86  printf("res: %g %g %g\n", res.a, res.b, res.c);
87  /* { dg-output "\nres: 2 4 6" } */
88
89  CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK);
90
91  res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f);
92  /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */
93  printf("res: %g %g %g\n", res.a, res.b, res.c);
94  /* { dg-output "\nres: 2 4 6" } */
95
96  exit(0);;
97}
98